4081836739 has 8 divisors (see below), whose sum is σ = 4223369520. Its totient is φ = 3940356000.

The previous prime is 4081836721. The next prime is 4081836751. The reversal of 4081836739 is 9376381804.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4081836739 - 2²³ = 4073448131 is a prime.

It is a super-2 number, since 2×4081836739² = 33322782327700308242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4081836692 and 4081836701.

It is not an unprimeable number, because it can be changed into a prime (4081836439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213889 + ... + 232189.

It is an arithmetic number, because the mean of its divisors is an integer number (527921190).

Almost surely, 2^4081836739 is an apocalyptic number.

4081836739 is a deficient number, since it is larger than the sum of its proper divisors (141532781).

4081836739 is a wasteful number, since it uses less digits than its factorization.

4081836739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26021.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 4081836739 is about 63889.2537051420. The cubic root of 4081836739 is about 1598.1536956854.

The spelling of 4081836739 in words is "four billion, eighty-one million, eight hundred thirty-six thousand, seven hundred thirty-nine".